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9d9e854fe0
* Add Queryer and use embedded structs * Add Inputer and factor out more RS API stuff This neatly splits up the RS API based on the functionality it provides, whilst providing a useful place for code sharing via the `helpers` package.
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package input contains the code processes new room events
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package input
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import (
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"context"
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"encoding/json"
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"sync"
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"github.com/Shopify/sarama"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/storage"
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"github.com/matrix-org/gomatrixserverlib"
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log "github.com/sirupsen/logrus"
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)
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type Inputer struct {
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DB storage.Database
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Producer sarama.SyncProducer
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ServerName gomatrixserverlib.ServerName
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OutputRoomEventTopic string
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mutexes sync.Map // room ID -> *sync.Mutex, protects calls to processRoomEvent
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}
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// WriteOutputEvents implements OutputRoomEventWriter
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func (r *Inputer) WriteOutputEvents(roomID string, updates []api.OutputEvent) error {
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messages := make([]*sarama.ProducerMessage, len(updates))
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for i := range updates {
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value, err := json.Marshal(updates[i])
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if err != nil {
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return err
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}
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logger := log.WithFields(log.Fields{
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"room_id": roomID,
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"type": updates[i].Type,
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})
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if updates[i].NewRoomEvent != nil {
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logger = logger.WithFields(log.Fields{
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"event_type": updates[i].NewRoomEvent.Event.Type(),
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"event_id": updates[i].NewRoomEvent.Event.EventID(),
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"adds_state": len(updates[i].NewRoomEvent.AddsStateEventIDs),
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"removes_state": len(updates[i].NewRoomEvent.RemovesStateEventIDs),
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"send_as_server": updates[i].NewRoomEvent.SendAsServer,
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"sender": updates[i].NewRoomEvent.Event.Sender(),
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})
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}
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logger.Infof("Producing to topic '%s'", r.OutputRoomEventTopic)
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messages[i] = &sarama.ProducerMessage{
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Topic: r.OutputRoomEventTopic,
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Key: sarama.StringEncoder(roomID),
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Value: sarama.ByteEncoder(value),
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}
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}
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return r.Producer.SendMessages(messages)
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}
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// InputRoomEvents implements api.RoomserverInternalAPI
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func (r *Inputer) InputRoomEvents(
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ctx context.Context,
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request *api.InputRoomEventsRequest,
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response *api.InputRoomEventsResponse,
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) (err error) {
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for i, e := range request.InputRoomEvents {
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roomID := "global"
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if r.DB.SupportsConcurrentRoomInputs() {
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roomID = e.Event.RoomID()
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}
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mutex, _ := r.mutexes.LoadOrStore(roomID, &sync.Mutex{})
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mutex.(*sync.Mutex).Lock()
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if response.EventID, err = r.processRoomEvent(ctx, request.InputRoomEvents[i]); err != nil {
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mutex.(*sync.Mutex).Unlock()
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return err
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}
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mutex.(*sync.Mutex).Unlock()
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}
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return nil
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}
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